MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
PNS (peripheral nervous system)
That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system (PNS) is one of the two major divisions of the nervous system. The other is the central nervous system (CNS) which is made up of…
Read the definitionRandom terms
Show more- Graves disease Generalized diffuse overactivity ('toxicity') of the entire thyroid gland which becomes enlarged into a…
- Valve, aortic One of the four valves in the heart, this valve is situated at exit of the left ventricle of the heart where…
- Anemic Relating to anemia, the condition of having less than the normal number of red blood cells or less than the…
- Acetaminophen Our Acetaminophen Main Article provides a comprehensive look at the who, what, when and how of Acetaminophen…
- Radical prostatectomy A surgery procedure that removes the entire prostate gland plus some surrounding tissue. During the procedure…
- Levo- Abbreviated LAAM. An alternative to methadone. See: LAAM.
- Implantation, seed Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly…
- Gua-sha A method in tradition Chinese medicine in which the skin on the back, limbs, and other parts of the body is…
- DGS See: DiGeorge syndrome
- Vertigo Aside from being the name of a classic 1958 Alfred Hitchcock film (with Jimmy Stewart and Kim Novak), vertigo…
- Parotid gland The largest of the three major salivary glands, it is located in front and below the ear and behind the jaw…
- Bradykinetic Pertaining to slowed ability to start and continue movements, and impaired ability to adjust the body's…